<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>菜品车</title>
    <%-- 静态包含 base标签、css样式、jQuery文件 --%>
    <%@include file="/pages/common/head.jsp" %>

    <script type="text/javascript">
        $(function () {
            $(".modifyCount").change(function () {
                let value = $(this).val();
                let name = $(this).parent().parent().find("td:first").text();
                let id = $(this).attr('bookId');
                if (confirm("确定将商品【" + name + "】数量修改为" + value + "吗？")) {
                    location.href = "http://localhost:8080/Catering_manage/cartServlet?action=modifyItemCount&count=" + value + "&id=" + id;
                } else {
                    this.value = this.defaultValue;
                }
            });

            $("#removeCart").click(function () {
                return confirm("你确定清空菜品车吗？");
            });

            $("a.deleteBook").click(function () {
                return confirm("你确定从菜品车中删除【" + $(this).parent().parent().find("td:first").text() + "】吗?");
            });
        });
    </script>

</head>
<body>
<div id="header">
    <img class="logo_img" alt="" src="">
    <span class="wel_word">菜品车</span>
    <%-- 静态包含用户操作的模块，用户信息模块 --%>
    <%@include file="../common/operation.jsp" %>
</div>

<div id="main">

    <table>
        <c:if test="${sessionScope['cartItems'].cartMap.size() == 0 || sessionScope['cartItems'] == null}">
            <span style="font-size: 30px; color: black">菜品车空了，快去选取菜品吧</span>
            <a href="index.jsp" style="font-size: 30px; color: red">前往</a>
        </c:if>
        <c:if test="${sessionScope['cartItems'] != null}">
            <tr>
                <td>菜品名称</td>
                <td>数量</td>
                <td>单价</td>
                <td>金额</td>
                <td>操作</td>
            </tr>
        </c:if>
        <c:forEach items="${sessionScope['cartItems'].cartMap}" var="entry">
            <tr>
                <td>${entry.value.name}</td>
                <td>
                    <input type="text" class="modifyCount" value="${entry.value.count}" style="width: 30px"
                           bookId="${entry.value.id}">
                </td>
                <td>${entry.value.price}</td>
                <td>${entry.value.totalPrice}</td>
                <td><a class="deleteBook" href="cartServlet?action=deleteItem&id=${entry.value.id}">删除</a></td>
            </tr>
        </c:forEach>

    </table>

    <c:if test="${sessionScope['cartItems'] != null}">
        <div class="cart_info">
            <span class="cart_span">菜品车中共有<span class="b_count">${sessionScope.cartItems.totalCount}</span>件商品</span>
            <span class="cart_span">总金额<span class="b_price">${sessionScope.cartItems.totalPrice}</span>元</span>
            <span class="cart_span" id="removeCart"><a href="cartServlet?action=removeAll">清空菜品车</a></span>
            <span class="cart_span"><a href="orderServlet?action=createOrder">去结账</a></span>
        </div>
    </c:if>

</div>

<%--静态包含页脚内容--%>
<%@include file="../common/footer.jsp" %>
</body>
</html>